Nursery container bottom portion



FIG. 1 is a perspective view of a nursery container bottom portion showing my new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being identical thereto;

FIG. 3 is a right side elevational view thereof, the left side elevational view being identical thereto;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines depict environmental subject matter only and form no part of the claimed design. 

The ornamental design for a nursery container bottom portion, as shown and described. 